Cementing-machine.



l. W. COSGROVE,

CEMENTING MACHINE.

APPLICATION FILED DEC. 29. 1915.

Patented Oct. 16, 1917.

J. W. COSGROVE.

, czmsmms MACHINE.

APPLICATION FILED DEC. 29.19%

Patented 001;. 16, 191?.

2 SHEETS-SHEET 2 Medford, in the county of Middlesex and,

JOHN. W. COSGROVE, F MEDFORD, IIIAS$ACHUSETTS, ASSIGNOR TO UNITED SHOE MACHINERY COMPANY, OF PATERSON, NEW JERSEY, A. CORPORATION OF NEW JERSEY.

l,2al2,925.

Specification of Letters Patent.

CEMENTING-MAGHINE.

Patented an. is, rare.

To all whom it may concern:

Be it known that I, JOHN W. Cosenovn, a citizen of the United States, residing at State of Massachusetts, have invented certain Improvements in Cementing-Machines, of which the following description, in connection with the accompanying drawings, is a specification, like reference characters on the drawings indicating like parts in the several figures.

This invention relates to machines for applying adhesive material to stock and is herein illustrated in connection with a machine for applying cement to the margins of pieces of upper leather preparatory to the folding operation.

In machines of this class it is desirable to use a cement applying roll having cement holding pockets or grooves in its periphery; and with this construction a disadvantage has resultedby reason of the fact that the cement has been deposited upon the stock in ridges or globules. One object of the present invention is to apply the cement in a smooth layer of approximately uniform thickness at every point. ()ne feature of the invention comprises ina machine of the class described a rotary cement applying roll, means for supporting the stock in contact with said roll, and means arranged to act after the stock has passed the roll to smooth the layer or coating of cement. In the illustrated embodiment of the invention, a weighted rubbing member pivoted to the frame of the machine is arranged to drag over the cemented surface of the stock.

The margins of pieces of upper leather are commonly skived before being cemented and consequently are not of uniform thick ness throughout. There may be produced upon the margin of a piece of stock a straight skive, in which case the thickness of the margin decreases regularly and the surface of the skivcd margin is plane, or a shoulder skive wherein the thickness decreases more sharply near the body of the material than near the edge and the surface of the skived portion is curved. In order to insure that the skived margin of whatever type may be held up firmly at all points against the cement applying roll, another feature of the invention comprises a support consisting of a plurality of independently mounted spring fingers the operative portions of which are normally located in a common plane but may yield independently and combinations of parts will be described I in connection with an illustrative machine and pointed out in the appended claims.

Referring now to the accompanying drawings,-

Figure 1 is-aperspective of a machine in which the present invention is embodied;

Fig. 2 is a vertical section of the end of the machine;

Fig; 3 is a perspective of the edge gage;

Fig. 4 is a vertical longitudinal section of the machine;

Fig. 5 is a perspective of the valve which controls the outlet of the cement receptacle;

Fig. 6 is a perspective of a portion of the periphery of the cement applying roll, and

Fig. 7 is an exploded view of the seat upon which the reservoir rests, the cement applying roll and the details of its mountmg.

The top of the forward end of the frame of the machine is machined to produce a flat seat 1 from which extend upwardly two pin-s 3. The reservoir for cement 5 has formed on its lower end a plate 7 provided with holes to receive the pins 3 and with a flat under side to fit tightly against the flat surface 1, said plate having slotted cars which register with similar ears formed on the frame, threaded pins being pivoted to the frame and provided with wing-nuts 9 to hold said reservoir firmly in place. In the outer end of the portion of the frame which is machined to receive the cement the reservoir to the roll.

Referring now more particularly to Figs. 2 and 7, the cement applying roll is made in. sections, fourbeing shown in the illustrative v A. halfround valve 13 having a, .handle 15 controls the flow of cement from form. The end sections 17,19 have formed in their peripheries grooves the ends ofwhich are closed. The sectionQl has grooves inits periphery which, when the roll is assembled register with the grooves in the end sections. The section 23 is a toothed feeding disk the teeth of which extend slightly beyond the periphery of the remaining portion of the roll so as to sink into the stock and insure a regular feed. It should be noted that the inner sections'are removable and interchangeable whereby first a roll of any required width may readily be assembled and second the position of. the feed disk 23 may be changed.

The outer end section 17 is formed with a hub 25 upon which the other sections fit, said hub being rooved at its inner end to fit a tongue 27 formed on the driving shaft 29, said shaft having an end of reduced diameter to fit a bore in the hub 25. Screws, one of which is shown at 31 (see Fig. 4), hold the sections of the roll together.- In order to hold the assembled roll in place on'the shaft and toprevent the cement from collecting upon the ends of said roll, two plates 33, 35, having flat faces, engage and fit tightly against said ends. The member 33 is formed with a bore 37 (Fig. 7) the diameter of which is equal to the diameters of the bores in the sections 19, 21 and 23 of the roll, and with a bore 39 of increased diameter to hold a packing 41. The outer plate 35 is held against the end of the roll by a bar 43 and a screw rod 45 which is threaded through said bar and may be turned by means of a nut 47 fast to said screw rod. The bar 43 spans the open end of the U-shaped recess (see Fig. 7) in the end of the upper portion of the frame being fastened to the legs of the U by screws 49 (see Fig. 1) which enter screw-threaded holes 51 in the ends of said legs. In order to provide means for adjusting the inner plate 33, a sleeve 53 is threaded into a recess in the frame of the machine and is provided with sockets 54; t0 receive a pin by which said sleeve may be turned. In order to permit control of the amount of cement carried by the roll two controllers 55 are adjustably mounted in ways formed in the frame of the machine; and in use are adjusted to the positions shown in Fig. 2.

I It will be noted that these controllers are 1 applying roll.

portion of said roll projects. For the purpose of directing the cement into the opening between the last named member 55 and the periphery of the roll, the plates 33 and 35 are provided with converging beveled portions one of which is shown at 57 in Fig. 7. It should be understood that the flat faces of the plates 33 and 35 cover all but the, extreme lower portions of the ends of the cement roll'and that the converging beveled portions. 57 extend from outside the periphery of the roll down to said periphery and thereby direct the upwardly moving surplus cement toward the periphery of said roll as well as toward the opening between the left-hand controller 55 (see Fig. 2) and the roll. I

The work 100 is held up against the feeding and cement ap lying roll 11 by a plurality of spring ngers 59 the operative faces of Which are shown as being in a common, substantially horizontal plane while their. upright stems are received in a block or holder 61 and adjustably held in place by screws 63. The block or holder 61 is adjustably and removably held on an arm or supporting member 65 by a screw 67 which passes through a U-shaped vertical slot in an extension of the block 61 and is threaded into said arm. The arm in turn is pivoted at 69 to the frame ofthe machlne and has a depending tail to which is pivoted a rod 71. A coiled spring 73 tends to hold the tail of the member 65 against a stop'screw 7 By turnin the screw 75 the position of the arm may e varied, and by turn ng the hollow adjusting screw 77 the tenslonof the spring 73 may be changed.

In order to acid in guiding the work an edge gage 79 is adjustably fastened by a screw 81 to the arm or support 65 and is consequently raised and lowered with said arm. Referring to Fig. 3 this gage comprises three walls, an upper, a lower and a side wall which converge, as shown, to a single point.

Upper cementing machines are required to operate on a great variety of work and for this reason a second work support has been provided which may be used when desired in place of the spring fingers. Pivoted to the arm or support 65 at 83 is an'arm 85 having rotatably mounted at its end a roll 87 said arm being provided with a hole 89 through which the stem of a pin 91 may be passed, said pin extending through said hole into a socket in the support 65. The length of the small arm 85 is such that when the screw 67 and finger holder 61 have been removed and the arm 85 has been swung upwardly into position to receive the pin 91, the roll 87 will be in position to hold a piece of stock up against the cement roll 11. It will be noted that the roll 87 is narrow so as to permit the work to be turned easily when a curved margin is encountered. In order to support the margin properly, the roll 87 is mounted" between two upstanding portions 93, 95 the upper surfaces of which, when the roll is in operative position, are slightly below the highest portion of the periphery of said roll.

A roll having depressions or grooves tends to apply the cement to the stock in ridges or globules. In order to smooth the cement so applied and to make the coat of cement of approximately uniform thickness, a

smoothing or rubbing member 93 is hung loosely on a smooth extension of the screw 43, being held thereon by a thumb-nut 95. An upwardly extending finger 97 integral with the hub of the rubbing member 93 is normally held in contact with a pin 99 by the weight of the lower or operative portion of said member. As best shown in Fig. 2 the member 93 drags lightly over the cemented surface of the stock, being held down merely by its tendency to swing about the axis of the screw 45. This yieldingly mounted member 93 by dragging lightly in the manner described smooths out the ridges or globules of cement and amalgamates them into a layer of approximately uniform thickness. A guard 101 on the opposite side of the cement roll from the member 93 shields the front of the roll and aids in guiding the stock into proper position.

The shaft 29 runs continually during the time the machine is in use, its rotation being controlled through suitable gearing by means of tight and loose pulleys and the usual belt shifter.

Although the invention has been set forth in connection with a particular machine it should be understood that the invention is not limited in the scope of its application to the particular machine shown and described.

Having thus described my invention, I claim as new and desire to secure by Letters Patent of the United States:

1. A machine of the class described having, in combination, a rotary cement applying roll arranged to apply cement unevenly, means for supplying cement to said roll, means for holding the stock against said roll, and a member arranged to drag over the cemented portion of the stock and thereby to smooth. the layer of cement and render it approximately uniform in thickness.

2. A machine of. the class described having, in combination, a rotary cement applying roll, means for supplying cement to said roll, means for holding the stock against said roll, and means for smoothing the layer of cement.

A machine of the class described having, in combination, a rotary cement applying roll,'means for supplying cement to said roll, means for holding the stock against ing roll, means for supplying cement to said roll, means for holding the stock against the roll, said roll being provided with depres- 'sions on its periphery whereby the cement is applied to the stock unevenly, and means for smoothing the unevenly applied cement.

5. A machine of the class described having, in combination, a reservoir for cement, an applying roll arranged. to receive cement therefrom, a yielding supporting member adjacent to said roll, and a plurality of independently adjustable spring fingers carried by said supporting member constructed and arranged'to hold against said roll the material to be cemented.

6. A machine of the class described having, in combination, a,reservoir for cement, an applying roll arranged to receive cement therefrom, a yielding supporting arm adjacent to said roll, a holder mounted on said arm, and a plurality of spring fingers adjustably mounted on said holder.

7 A machine of the class described having, inecombination, a reservoir for cement, an applying roll arranged to receive cement therefrom, a supporting member adjacent to said roll, a plurality of spring fingers carried by said supporting member constructed and arranged to hold against said roll the material to be cemented, each of said fingers being separate from all the others, and screws, one for each finger, for holding said fingers in place.

8. A machine of the class described having, in combination, a reservoir for cement, an applying roll arranged to receive cement therefrom, said roll comprising a feeding section located between cement applying sections, and means for holding the stock against the roll.

9. A machine of the class described having, in combination, a reservoir for cement, an applying roll arranged to receive cement therefrom, said roll comprising a feeding section located between cement applying sections, and a plurality of s ring fingers for holding the stock against t e roll.

10. A machine of the class described having in combination, a reservoir for cement, an applying roll arranged to receive cement therefrom, said roll being provided with grooves or pockets in its periphery for the reception of cement and with feeding projections extending around its periphery, and means for holding the stock against the roll and in contact with the feeding projections.

11. A machine of the class described having, in combination, a reservoir for cement, an applying roll arranged to receive cement therefrom, a yielding supporting member adjacent to said roll, a plurality of spring fingers arranged to hold against said roll the material to be cemented, and an edge gage to guide said material, said fingers and gage being mounted on said supporting member.

12. A machine of the class described having, in combination, a reservoir for cement, an applying roll arranged toreceive cement therefrom, a yielding supporting member adjacent to said roll, a plurality of spring fingers arranged to hold against said roll the material to be cemented, and an edge gage to guide said material, said fingers and gage being adjustably mounted on said supporting member.

13. A machine of the class described having, in combination, a reservoir for cement, a rotary applying roll arranged to receive cement therefrom, said roll having fiat ends, twoplates having fiat faces, said plates being located one at each endof said roll, one of said plates being adjustable toward and from the other. i

14:. A machine of the class described having, in combination, a reservoir for cement, a rotary applying roll arranged to receive cement therefrom, said roll having fiat ends, two plates having fiat faces, said plates being located one at 'each end of said roll, both of said plates being adjustable toward and from said roll.

15. A machine of the class described having, in combination, a reservoir for cement, an applying roll arranged to receive cement therefrom, said roll having flat ends, a rotary shaft upon which said roll is mounted,

a plate having a flat face to fit against one end of said roll, and a sleeve loose on said shaft and adjustable longitudinally thereof tolrlnove said plate up against the end of said r0 16. A machine of the class described having, in combination, a reservoir for cement, an applying roll arranged to receive cement therefrom, said roll having flat ends, a rotary'shaft upon which said roll is mounted, and two plates having flat faces to fit tightly against said ends, said plates having bev eled portions which converge toward the periphery of said roll.

17. A machine of the class described having, in combination, a reservoir for cement,

' a rotary applying roll arranged to receive cement therefrom, said roll having fiat ends, two plates located one at eachend of said roll, each plate having a flat face to fit against the end of the roll and being formed with a beveled portion for directing surplus cement toward the periphery of said roll, and means for adjusting said plates toward each other.

18. A machine of the class described having, in combination, a reservoir for cement, a rotary applying roll arranged to receive cement therefrom, said roll having neaaeaa fiat ends, and two plates located one at each end of said roll, each plate having a flat face to fit against the end of the roll and being formed with a beveled portion for directing surplus cement toward the periphery of said roll said plates being relatively adjustable toward each other.

- 19. A cement applying roll comprising a plurality of sections, the outer sections having a plurality of grooves closed at their outer ends, and the inner sections having grooves open at both ends and adapted when the roll is assembled to register with the grooves in the outer sections;

20. A cement applying roll comprising a plurality of sections, the outer sections having a plurality of grooves closed at their outer ends, the inner sections having grooves open at both ends and adapted when the roll is assembled to register with the groovesin the outer sections, and a member extending through all of said sections and adapted to hold them firmly together.

21. A cement applying roll comprising a plurality of sections, the outer sections having a plurality of grooves closed at their outer ends, the inner sections having grooves open at both ends and adapted when the roll is assembled to register with the grooves .in the outer sections, and a toothed section the teeth of which extend out beyond the walls of said grooves.

22. A cement applying roll comprising a plurality of cement applying sections, and a feed section the outermost part of the periphery of which extends beyond the periphery of the other sections.

A cement applying roll comprising a plurality of cement applying sections and a feed section, said feed section beingcapable of occupying different positions longitudinally of said roll. 24. A machine of the class described having, in combination, a frame having an overhanging arm, said arm being provided with a fiat supporting surface, a reservoir having a flat under surface to fit the flat surface of said arm, and means for clamping said surfaces together.

25. A machine of the class described having, in combination, a frame having an overhanging arm, said arm being provided with a flat supporting surface in which there is an opening, a rotatable cement applying device arrange in said opening, adjustable controllers mounted upon said flat surface adjacent said opening and acessible from said surface for adjustment, a reservoir having a flat under surface to fit the flat surface of said arm and provided with an outlet communicating with the opening in said arm, and means for clamping said surfaces together.

26. A machine of the class described having, in combination, a frame having an overhanging arm, said arm being provided With a flat supporting surface, and with positioning projections, a reservoir having a flat under surface and portions to contact With said projections, and means for clamping said surfaces together.

27. A machine ofthe class described having, in combination, a rotary cement applying and stock feeding roll, means for supplying cement to said roll, a yielding supporting member located. adjacent to said roll, a plurality of spring fingers removably fastened to said supporting member in position to cooperate with said roll, an arm pivoted to said'supporting member, a roll rotatably mounted at the end of said arm the length of the arm and the location of the pivot being such that upon removal of the spring fingers said rotatably mounted roll may be swung up into the position formerly occupied by said fingers, and means for holding said roll in said last-named position.

In testimony whereof I have signed my name to this specification.

JOHN W. COSGROVE. 

